MINEBK01143

• County: Boulder
• Volume: 16
• Document: Inspectr
• Suffix: A

8ereet - 4.
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BSPbO 3I4ES- Contin:
This it itered ii a !rams. iron-ooverad magazine eituate~~100''
. - ~. .. . .
aortheaet o! the shalt house. Bo other enppliee are stored with
the powder but are kept in the power hone.
Bo devioe !er thawing powder ie probidid.' ~ ~ "`
,M ,I B.I,B.a & M.I B.E ,M E T.H-0 D S....
The main opening Se a shalt 300' in depth hnd oribbed`hewa
1~timbere !er s dietanoAo! 30' from the eurlao~~ She'balai0s of the
~ehatt being timbered with etnlli. At a depth o! bb''a drift is
run west 12b'; at s depth e! 180' a drilt ie run wiet'2tl0'}'At
the 2b0-!t. level the drilt waa net oleaned o4t aYd lriin~thib-
peiat't• the bottom o! the shalt 1t wae~lilled with iratsr ana
!,ie examination oould be'made.
Considerable etoping has been done on .the west aide and
.,present work ie ooniinsd to etepiag in the 180-tt. level and
uawatsring the shalt.
~a additional exit ie provided through the 180-tt: lei-el
Whioh oonneots with the 60-lt. level. Hrom the 60-lt.'level sad
30' west o! the shaft sa upraise 1e 'made to~the anrleoe. Thy up-
rai ue are kept in good oondition, properly equipped with Bate
and aeoure ladders and ere easily eoaeseible.
The method employed !or hoisting ie eleotrioity dnd the
',men are lowered and raised with the hoisting mnohinery: A load
;weighiag 1.000 ie hoisted at ens time aidietanoe o! 2b0' with
'e 6/8-iioh~eteel wire oable that hse been is use three months.
A ealety hook end ohaia taetened oa sad o! oable with eeokst
sad Babbitt metal ie employed and has been in use three aonthe.
;Material i• heisted from one level.
The state node o! signals and pull bells are employed.
'The bell line'ie one-quarter inoh twist wire in good oendition.
The oede ei eignnle is posted at the oollar o! the shalt and at
Ithe level station.
li Perreae are prohibited from riding on loaded bnokets and
of
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